(19)

(11)

EP 4 078 897 A1

(12)

(43) Date of publication: 26.10.2022 Bulletin 2022/43 (21) Application number: 20903624.3 (22) Date of filing: 19.12.2020

(51) International Patent Classification (IPC):  H04L 9/32(2006.01) H04L 12/16(2006.01) G06Q 20/40(2012.01) (52) Cooperative Patent Classification (CPC): G06Q 20/389; G06Q 20/40145; G06Q 50/01; H04L 63/0861; H04L 63/12; G06Q 20/4016; G06Q 20/401; G06Q 20/405 (86) International application number: PCT/CA2020/051772 (87) International publication number: WO 2021/119849 (24.06.2021 Gazette 2021/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.12.2019 US 201962950901 P (71) Applicant: Xu, Yuzhen Toronto, Ontario M2N 6S5 (CA)	(72) Inventor: Xu, Yuzhen Toronto, Ontario M2N 6S5 (CA) (74) Representative: Sach, Greg Robert  Valet Patent Services Siedlungsstr. 4a 85253 Erdweg 85253 Erdweg (DE)